1[1]Cree C N L.The evolution of thermal drying as a sludge treatment process stage. Seminar on the Drying of Sewage Sludge[J].Wakefield,1993，(11):45-52.
2[2]Yetes J C.Swiss-Combi—a proven drying technology[J].Environ S cou 92,Glasgov,1992，(5):67-73.
3[3]Mossakowska A,Hellstrom B G，Hultman B.Strategies for sludge handling in the Stockholm Region[J].Wat Sci Tech，1998,38(2):111-118.
